APPLICATION 1.Field Calibration of Differential Pressure and Pressure Transmitters (Â÷¾Ð ¹× ¾Ð·Â Æ®·£½º¹ÌÅÍÀÇ ÇÊµå ±³Á¤¿¡ ÀûÇÕ)
: ¾Ð·ÂÆ®·£½ºÀÇ ±³Á¤Àº ÀÔÃâ·Â°ªÀÇ Á¤È®È÷ ÃøÁ¤ÀÌ ¿ä±¸µÇ°í, ¿À·ùÀ²ÀÇ °è»êµµ ¿ä±¸µË´Ï´Ù.
CA700 Á¤È®ÇÏ°Ô ¾Ð·Â°ú Àü·ùÀÇ ÀÔ·Â ¹× Ãâ·Â °ªÀ» Á¤È®È÷ ÃøÁ¤ÇÏ¿© ¾ÈÁ¤ÀûÀÎ ±³Á¤À» º¸ÀåÇÕ´Ï´Ù.
±âº»À¸·Î ³»ÀåµÈ ±³Á¤ ÀýÂ÷¼´Â »ç¿ëÀÚ°¡ ¼ÒÁ¤ÀÇ ÀýÂ÷¿¡ µû¶ó ƯÁ¤ º¸Á¤À» ¼öÇà ÇÒ¼öÀÖ°Ô µµ¿ÍÁÝ´Ï´Ù.
2.Pressure Switch Test(¾Ð·Â½ºÀ§Ä¡ Å×½ºÅÍ) :¾Ð·Â ½ºÀ§Ä¡ Å×½ºÆ®´Â Á¢Á¡ÀÌ ¿¸®°í ´ÝÈú ¶§ÀÇ ¾Ð·Â ¹× µ¥µå ¹êµå Á¢Á¡ÀÌ ´ÝÈú¶§ÀÇ ÀúÇ×À» ÃøÁ¤ÇÕ´Ï´Ù.
±âº»À¸·Î ³»ÀåµÈ ±³Á¤ ÀýÂ÷¼´Â »ç¿ëÀÚ°¡ ¼ÒÁ¤ÀÇ ÀýÂ÷¿¡ µû¶ó ƯÁ¤ º¸Á¤À» ¼öÇà ÇÒ ¼ö ÀÖ°Ô µµ¿ÍÁÝ´Ï´Ù.
3.Check and I/O Adjustment of an Electro-pneumatic Converter
(Àü±â-°ø¾Ð ÄÁ¹öÅÍÀÇ °Ë»ç¿Í ÀÔÃâ·Â Á¶Àý) :Àü±â-°ø¾Ð ÄÁ¹öÅÍÀÇ °Ë»ç¿Í ÀÔÃâ·ÂÀº 0, 25, 50, 75, 100%ÀÇ Àü·ù °£°ÝÀ¸·Î »ó½Â/ÇÏ° ÀÇÇØ ¼öÇàµË´Ï´Ù.
»ý¼ºµÈ ¾Ð·ÂÀ» Á¤È®È÷ ÃøÁ¤ÇÏ´Â ±â´É ¹× ½ÅÈ£»ý¼ºÀ» À§ÇÑ 4-20 mA step ±â´ÉÀ» °®°í ÀÖ½À´Ï´Ù.
4. 20mA SIMULATE(Two-wire Transmitter Simulator)
(20mA SIMULATE (µÎ ¿ÍÀÌ¾î ¼Û½Å±â ½Ã¹Ä·¹ÀÌÅÍ)) CA700Àº ·çÇÁ Å×½ºÆ®¸¦ ¼öÇàÇϱâ À§ÇØ ¼Û½Å±â ½Ã¹Ä·¹ÀÌÅÍ·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
CA700Àº (½ÌÅ©) °èÃøÀåºñ (¿¹¸¦ µé¸é, À¯Åë½Ã½ºÅÛ ¶Ç´Â PLC) ¿ÜºÎ Àü¾Ð ¹ß»ý ÀåÄ¡¿¡¼ ÇöÀç ¼³Á¤À» Èí¼ö ÇÒ¼ö ÀÖ½À´Ï´Ù.
4-20mA ¼Ò½º´Â 0.015% of the reading Á¤È®µµ·Î °ø±ÞµÉ ¼ö ÀÖ½À´Ï´Ù.
5. Two-wire Transmitter Loop Check
(2¼±½Ä Æ®·£½º¹ÌÅÍ ·çÇÁ È®ÀÎ) DC mA ½ÅÈ£´Â 24V DC Àü¿ø °ø±Þ ÀåÄ¡¿¡¼ ¼Û½Å±â¿¡ Àü¿øÀ» °ø±ÞÇÏ¿© ÃøÁ¤ ÇÒ ¼ö ÀÖ½À´Ï´Ù.
DC mA ½ÅÈ£ ÃøÁ¤ ¹× ¿µÁ¡ °Ë»ç´Â Æǵ¶ °ªÀÇ 0.015%ÀÇ Á¤È®µµ·Î ¼öÇà ÇÒ ¼ö ÀÖ½À´Ï´Ù.
HARTÅë½Å ¹× BRAIN Åë½Å¿ë 250 ohmÀúÇ×ÀÌ ±³Á¤±â¿¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù.
±×·¡¼ ÇÚµð Å͹̳ο¡ ¿¬°áÇÒ ¶§ ¿ÜºÎÀúÇ×À» ºÎÂøÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù.
6. Input Command Check and Adjustment of Recofders and Controllers
(·¹ÄÚ´õ ¹× ÄÁÆ®·Ñ·¯ÀÇ ÀÔ·Â ¸í·É È®ÀÎ ¹× Á¶Á¤) °èÃø ·çÇÁ Å×½ºÆ®, ¿î¿µ, ¸í·Éüũ´Â 0.015%ÀÇ Á¤È®µµ¸¦ °¡Áø DC1~5V / 4~20mA °èÃø½ÅÈ£¸¦ ¼Ò½ÌÇÏ¿© ¼öÇàÇÒ ¼ö ÀÖ½À´Ï´Ù.
¼±Çü ½ºÀ¬°ú ½ºÅÛ ½ºÀ¬ÀÇ 2°¡ÁöÆÐÅÏÀ» ¼±ÅÃÇÒ ¼ö ÀÖ½À´Ï´Ù.
***Software´Â yokogawaȨÆäÀÌÁö¿¡¼ ¹«·á·Î ´Ù¿î ¹ÞÀ» ¼ö ÀÖ½À´Ï´Ù.
http://tmi.yokogawa.com/gs/products/protable-and-bench-instruments/calibrators/ca700-pressure-calibrator/